Each 'player' (race) does this Now make your way to StarClipper station in Mercury and dock .Exchange reports (example if you are a Progen give 1 of your Progen reports to a Terran for 1 of his Terran reports and 1 of your reports to a Jenquai for 1 of his , be careful not give wrong reports)Now you should as per the example above as a Progen have 1 Terran and 1 Jenquai report and no Progen reports, and the Terran will have 1 Progen and 1 Jenquai and the Jenquai 1 Terran and 1 Progen . Make your way back to the mission giver and hey presto your done

Progens also have two more Spies R Us missions off Var after this one , not sure about terrans and jennies.